Forced feed lubricator



i- 9 1933- D. MILLINGTON FORCED FEED LUBRICATOR Filed Jan. 27, 1952 2 Sheets-Sheet l y 1933- D. MILLINGTON FORCED FEED LUBRICATOR Filed Jan. 27, 1932 2 Sheets-Sheet 2 JJJAJ nvvav 272 477W 9 w '7 v Patented July 18, 1933 it T D'STATES ATEN 6mm:

D VID MrLLI vGToN, on EUDD ns IE-L ENGLAND, essrenoa' "r HOPKINSO LIMITED, 013 H n ER-S IEL ,"ENG AND;a BRITISH COMPANY FORCED FEED nun'nrce'ron Application filed January 27, 1932 Serial No. 589,187, and'in Great Britain January 30, 19311 'ihis invention rc tcsto forced- :iced lubrica tors and comprisesythc ii'nproved coin itric circles and the disc have one ,or'more bi? hi and arrangement of parts herein- 7 therein to co-operate with the holes after described and laimed for snppiying. ineuch ci'ci'e. Q P p f r ricant to a iarg'enumber of points in, if iiy varying the load upon the relief Valve L, very minute quantities. between the delivery compartment 0 and ficriiing to the two accompanying sheets i the lubricant reservoir Z), I mayjensure the natory h'aWingsIe inaii tenance ofany desired pressure in the l "e l is a sectionai. side elevation, l igdelivery r compartment, for the lubricant Mike l rent elevation and Figure 55 a plan pump is adapted to supplyto such cbmpart- View o a forced teed lubricator Constructed mcnt" more lubricant than can be I passed in accordance with my invention. through the holes h as they are periodically ure i is a side elevation partly in sec-V uiicg ei ed. y 1 showing a modified arrangement in 110- The lubricant reservoir bhas a level gauge ance with in invention. 7 p thereon and the delivery "compartment a 5 (re letters in the diii'erentpressure' gaugeg; me or similar parts; The holes h in the delivery compartment a d coinpi'i. t avail are connected by pipes as 7 secured in I ice-rein a lubricai 1 such holes With the points Where lubricant U i I is to be supplied. Each pipe may deliver di- 0 rectly into a lubricant cap or the like upon a the bearing 01" part to" be lubricated'or each 11 pipe maynhave' a spring loaded valve, as turning" the screw f); shown at s thereon to ensure that the pipe is i n'icant to return by its maintained fully charged with lubricant and if delivery that delivery takes place only when the hole .r

reservoir. h supplying the pipe is uncovered by the disc com iari'nient ha i. The compression of the spring t upon the l correspo n 'valve 8 maybe" adjusted toregulate the v 4 m lub i t d an: .amount of lubricant deliveredthrough the 0 ith holes therein is rotated bysuitable Valve. As shown at the rightof Figure 1, 11.; is brim LClGS intoco idence one pipe 9' supplies several subsidiary pipes a 1 fixed 1 1 h as r t hrough a hea'derW Each of the pipes 7' 3 W age under pressure may havea springloaded'valve s thereon e ucles i'rein the deiivery conipart The shaft m driving the disc valve 71 and 35 I16 disc'valve maybe 1; ned n on the lubricant pump. 0?" may be belt driven l, stud and be rotated b a worm 7: from any convenientpart of themachine 0r "no spindle m having; the crank pin it cng'inebeing lubricated, or may be rotated which reciprocates the pump by handvthrough a one-Way clutch. Then otary disc vaive 2' is held. upon the reservo lfb Sfi l e up 16 1 790 t Wall of the i bricaiit deiivery col 'tiaent ii-3 .15 Q- t e for h the holes lb therein by the 0 'i, 'essure adjusting the coln'ple l nQf t Q 1 g d" said compartment, but I provide a i g of the relief alve e is protected by a ring 0 bearing upon the discto hold 1 1 1 5 5 1n e Y l i F 6 de v y against the'suid Wall min mpar m n nmy 'a ge'd'l any c m.

here may be no oil pressure avaiiable. I in. the disc ser e to hmit the pres sin-c between the disc and the Willi over Whicli p y r points fed by the dehveryj compartment a, then the pump (1- may be directly connected it rotates.

Wall may be in any lesircd' number of convenient manner to suit requirements V V Iftfhe lubricant or resel voiri bhas' not sufli cient capacity for the number oflubrlcating as by the chamber Z) by the pipe 12 rality of delivery holes in a wall'of said delivery compartment, a disc valve with one or more holes therein rotatedfto bring its holes into coincidence with the delivery holes, a reciprocating pump drawing from said reservoir and dcliveringiinto said compartment more lubricant than can pass through said delivery holes as they are periodically uncovered by the hole or holes in said disc Valve,

a relief valve allowing the excess lubricant to return from the delivery compartment to the reservoir, the pressure in the delivery compartment holding said disc valve in good contact with the face of the apertured wallfover which it rotates, a light spring pressing upon said disc valve to hold it initially on said face in the absence of delivery pressure, and a shaft rotating said disc valve and reciprocating said pump.

pipe m, Figure 4', with a large con- 2. The combination in a forced feed lubricator of, a lubricant contalner, acasing with a lubricant reservoir and a delivery coinpartment therein, a plurality of delivery heles in a wall of said delivery compartment, a disc valve with one or more holes therein rotated to bring its holes into coincidence with the delivery holes, said lubricant reservoir constitutingan overflow for said delivery compartment, a pipe between saidlubricant container and said delivery compartment, a re ciprocating pump drawing from said lubricant container and delivering into said delivery compartment more lubricant than can pass through said delivery holes as they are periodically uncovered by the hole or holes 7 in said disc valve, a relief valve allowing the a excess lubricant to pass from said delivery compartment to' said lubricant reservoir which constitutes an overflow therefor, the

pressure in the delivery compartment hold-- ingsaid disc valve in goodcontact with the face of the apertured wall over which it rotates, a light spring pressing upon said disc valve to hold it initially on said face-in the absence of delivery pressure, and a shaft rotating said disc valve and reciprocating said pump.

DAVID MILLINGTON. 

